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Add system property to force native snappy impl #328

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cwholmes wants to merge 1 commit into from
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Add system property to force native snappy impl #328

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7 changes: 6 additions & 1 deletion src/main/java/org/xerial/snappy/SnappyLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,7 @@ public class SnappyLoader
public static final String KEY_SNAPPY_LIB_PATH = "org.xerial.snappy.lib.path";
public static final String KEY_SNAPPY_LIB_NAME = "org.xerial.snappy.lib.name";
public static final String KEY_SNAPPY_PUREJAVA = "org.xerial.snappy.purejava";
public static final String KEY_SNAPPY_ALLOW_PUREJAVA = "org.xerial.snappy.allow.purejava";
public static final String KEY_SNAPPY_TEMPDIR = "org.xerial.snappy.tempdir";
public static final String KEY_SNAPPY_USE_SYSTEMLIB = "org.xerial.snappy.use.systemlib";
public static final String KEY_SNAPPY_DISABLE_BUNDLED_LIBS = "org.xerial.snappy.disable.bundled.libs"; // Depreciated, but preserved for backward compatibility
Expand Down Expand Up @@ -158,8 +159,9 @@ static synchronized SnappyApi loadSnappyApi()
if (snappyApi != null) {
return snappyApi;
}
boolean allowPureJava = Boolean.parseBoolean(System.getProperty(KEY_SNAPPY_ALLOW_PUREJAVA, "true"));
try {
if(Boolean.parseBoolean(System.getProperty(KEY_SNAPPY_PUREJAVA, "false"))) {
if(allowPureJava && Boolean.parseBoolean(System.getProperty(KEY_SNAPPY_PUREJAVA, "false"))) {
// Use pure-java Snappy implementation
setSnappyApi(new PureJavaSnappy());
}
Expand All @@ -170,6 +172,9 @@ static synchronized SnappyApi loadSnappyApi()
}
catch(Throwable e) {
// Fall-back to pure-java Snappy implementation
if (!allowPureJava) {
throw new RuntimeException("Native Snappy could not be loaded and Java Snappy not allowed.", e);
}
setSnappyApi(new PureJavaSnappy());
}
return snappyApi;
Expand Down